All Patents in class 417/222.1


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All Patents in class 417/222.1
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	2,383,092	Aug. 21, 1945	G.A. Wahlmark	Hydraulic circuit
	2,722,889	Nov. 08, 1955	G.A. Wahlmark	Servo-type control for pumps
	2,731,569	Jan. 17, 1956	J.S. Cardillo, M.M. Hann, F.G. Lundgard, S.J. L	Hydraulic transmission and control
	2,769,393	Nov. 06, 1956	J.S. Cardillo, M.M. Hann	Hydraulic pump and control
	2,888,806	Jun. 02, 1959	K.A. Teumer	Control system